Hong Kong influenza in Madras State, India, 1968.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D006801:Humans; D007194:India; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology*; D008875:Middle Aged